We have previously investigated the application of cellulose dialysis membrane as a biosensor scaffold medium for protein detection with UV spectrophotometry. That was performed by using minor amounts of sample, through drying the sample on the dialysis membrane. Results proved the feasibility of the approach as a quantitative detection scheme of proteins in general, which was tested with the bovine serum albumin protein as a proof of the concept. Standard deviations were high, which revealed the need of improvement. That is achieved here by eliminating the dialysis membrane and drying the sample directly on the quartz cuvette of the instrument.
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